Paper-strip-feeding mechanism.



H. N. GRISSINGER PAPER STRIP FEEDING MECHANISM.

APPLICATION FILED MAY 28. I913.

Patented Aug. 10, 1915.

4 SHEETS-SHEET 1.

WITNESSES INVENTOR EM. EM HOMER N. GRlSSlNGER s ATTORNEY BY HI COLUMBIAPLANOGRAFH c0.. WASHINGTON. l5. 2.

-H. N. GRISSINGER PAPER STRIP FEEDING MECHANISM- APPLICATION FILED MAY28. 1913.

Patented Aug. 10, 1915.

4 SHEETS-SHEET 2.

INVENTOR HOMER N. GRISSINGER WITNESSES BY HIS ATTORNEY H. N. GRISSINGERPAPER'STRIP FEEDING MECHANISM.

APPLICATION FILED MAY 28. 1913.

Patented Aug. 10, 1915.

4 SHEETSSHEET 3- WITNESSES INVENTOR 5-: HOMER N. M GRISSINGER 1 W BY msATTORN Y M A m 7 coLuMBlA PLANOGi/mn cc wasmka'ms, u. c.

H. N. GRlSSINGER PAPER STRIP FEEDING MECHANISM.

Patented Aug. 10, 1915.

APPLICATION FILED MAY 28.1913. 1,149,752.

' 4 SHEETS-SHEET 4.

WITNESSES INVENTOR HOMER N. GRISSWGER 6M BY HIS ATTORNEY cowamuPLANOGRAPH CO..WASHINGTOS. 0.1:.

I HOMER N. GRISSINGER, OF PHILADELPHIA, PENNSYLVANIA.

PAPER-STRIP-FEEDING MECHANISM,

Specification of Letters Patent.

Original application filed April 13, 1912, Serial No. 690,644; Divided.and this application .filed May 28,

To all whom it may concern Be it known that I, HOMER N. GRIssINGnR,

a citizen of the United States, residing in,

Philadelphia, Pennsylvania, have invented certain Improvements in PaperStrip-Feed; ing Mechanism, (a division of my appl1cation Serial No.690,644, filed April 13, 1912,)v

of which the following isa specification.

The object of my invention isto provide.

side view of part of the machine looking in.

the direction of the arrow m, Fig. 2; Fig. 5 is a longitudinal sectionon the line cc, Fig. 2, showing in elevation the winding mandrel andcertain elements of the paper feeding mechanism; Fig. 6 is a transversesection of part of the machine on the line dcl, Fig. 2, and Fig. 7 is aview, partly in transverse section and partly in elevation, of themechanism employed for raising and low-- ering one of the feed rolls ofthe machine.

In-the drawings, 1 represents the main tableor bed of the machinemounted upon suitable legs 2, and 3 is another table sup-r ported'abovethe table 1 upon suitable posts 4- and serving for-the support andguidance of the strips of paper from which the tubes are to be made, 5representing the mandrel upon which the strips of paper'are wound inorder to produce the tubes.

The strips of'paper areofsuch width as to producea tube'of the desiredlength and said strips are also of such length as to provide the desirednumber of plies in said tube. 'A stack of these strips is deposited inan opencage consisting of'vertical posts 6 and 7, the posts 6 beingmounted upon the table'1, preferably by means of slotted feet 8 whichpermit of'adjustment of "the posts to accommodate variations in'thewidth and lengthof the strips, one of the posts 7 being mounted on abent arm 9 pro ecting from a post 10 on the table 1 and the other of thesaid posts 7 being mounted upon a Serial No. 770,324. r

rod 11 which is mounted at each .endau'pon projecting upwardly ports, asfor instance bygmeans of sleeves .12,

which can be secured in .position, after ad.- ustment by means of.suitableset'screws.

The stack of paper strlps is: supported upon bars 13 (Figs. 2and- 4) anduponplates 14; and .15 the bars 13 beingsupportedupon posts 13 andtheplate 115-=upon a1pjostf15 which posts project upwardly from thetable 1, as shown. in Fig. 3. Each of the plates. 14 has a pusher tongue.16 zforsengagingthe lower strip of the-stack and pushing it laterallyonto the. table"3, .and each. of these plates is mounted by. means'ofaupOSt -ll upon a bent rod. 17 mountedzso'asto beiad' justable.vertically. in a stud-118, projecting from a sliding: head 19'which.ismountedsoas to bemovable laterally; onxtransverseirods 20, 1 each of 3these rods being. carried, at leach end, by a member of: avfor-ked;bearing72l on the table 1,. said forked bearingialso carrying plates 22.disposed above the rods -20 and serving to protectxthe latter fromedustor other foreign matters which .mightaotherwise-fall upon them from thestack of strips or from the mechanism abovetherrods', and

which would interfere with the free sliding.

movement of the heads 19. (See zFigsfil and 3.) Laterally reciprocating.motion is; im-,. parted'to the heads-.19: and thence to the slidingplates 14 by means of a cam 23 (see dotted lines Fig. 4) this cam:beingrmounted: upon a shaftQd, and thisshaftxbeing mount= ed in suitablebearings below'the-table 1 and being driven from the main driving shaft25 by means ofia spur-ipinioni26'onthez-latter shaft meshing with aspurwheel-27 on. the shaft 24, as showninvFig; 4; The cam-23 Patented 'Aug.10, 1915". 4

acts upon. an anti-friction: roller'28" (see '1- dotted' lines Fig. 4)carriedlby. an: arm '29 which is Y pivoted at one. end: toazfixedilsupport at oneend of :themachine, andeis-con-I nected 'at itsfotherendr by means of aatwisted link 30 to onearm of aibell:crank=lever-31, the latter leverbeing also: mounted upon.- a fixedsupport on themain frame and its other arm being slotted: at the upperend for engagement with a =rod-.32 which connects thesliding. heads 19,as shown' inFig.3. A

spring 31 tends to move the lever 31 in a direction opposed to that inwhich it is moved by-the action ofthe cam 23.

Mounted upon the rod 11, as by means of a clamp 33, is a head 34 inwhich is vertically guided a plate 35 (Fig. 3) Which can be adjustedvertically by means of. an adjusting screw 36 carried by the head 34 andbearing upon a collar 37 which engages a.

slot in the plate 35, as shown in Figs. 2 and 3, whereby the lower endof the plate 35 can be depressed so as to bear such relation to aninclined lug38 (Fig. .3) at the inner end of the plate 15 as to accordwith the thickness of a single strip of paper, thereby preventing theprojection of more than one strip at a time from the pile or stack. Thelowermost stripof the pile or stack is thus pushed laterally forwardover the table 3 until its outer edge comes in contact with a stop bar39 on'said table, the strip in its forward passage passing between apair of springs 40 and 41, the former being secured to the table 3 andthe spring 41 being secured to the lower portion of the plate 35, asshown in Fig. 3. These springs thus exert such friction upon theselected strip as to prevent backward movement of the samewith'thesliding plates 14 and also to hold it in its proper longitudinalposition. As the front edge of the strip approaches the stop bar 39 itis deflected by means of bent fingers 42 on said bar so as to be sure tocontact therewith,'the strip being thereby properly positioned upon thetable 3 for being subsequently fed forward in the direction of itslength for engagement with the winding mandrel 5. As the strip is fedlaterally over the table 3 its upper face is also acted upon by springs43 carried by posts 44 which pass through openings in the rod 11 and areadjustable vertically therein so as to determine the position of thesprings 43 in respect to the strip, each post being secured inpositionafter adjustment by a suitable set screw. As the strips may varyslightly in width the stop bar 39 is adjustable laterally on the table3, said bar being carried by slotted feet 45 which can be secured to thetable 3 by means of suitable clamp screws 46. The feeding of the suc- Icessive strips forwardly, or in the direction of their length, to themandrel 5, is effected by means shown in Figs. 1, 2, 5, 6 and 7,-saidfeeding device comprisinga roller 47 carried by a' shaft 48 mounted insuitable bearings below the table 3, the roller 47 having a knurled orroughened surface so as to increase its hold upon the strip, which ispressed into contact with said roller 47 by means of a presser roll 49bearing upon the top of the strip. As the strip'is fed forward by therollers 47 and 49 it passes under a spring plate 50 above the table 3,and is thereby held down in contact with the table so that its forwardedge will enter a slot 5* in the mandrel 5, as shown in Fig. 5. Duringthe winding of the paper strip around the mandrel said strip bearsagainst a bar 51 which crosses the table 3 near the front end of thesameand occupies a position slightly above the table, as shown in Fig. 5.

The roller 47 is continuously rotated from the main shaft 25 as by meansof a belt 52 adapted to pulleys 53 and 54 on the main shaft 25 androller shaft 48 respectively, shown in Fig. 1, but during the time thatthe paper strip is being fed transversely onto the table 3 and over theroller 47 the latter has no driving action upon the strip, the rollerbeing in driving relation with said strip only'when the latter ispressed down upon the surface of the roller by the presser roll 49,which is alternately raised and lowered so as'to render the roller 47voperative for feeding purposes only after the paper strip has first beenproperly positioned upon the table 3 by means of the devices beforedescribed.

In order to effect the desired raising and lowering of the presserroller 49 the same is mounted so as to be free to turn in the free endof an arm 55 which is mounted upon a fixed stud 56 carried by a suitablymounted bearing 57, as shown in Figs. 1 and 2. To the arm 55 isconnected the upper end of a bar 58, which is forked at its lower end,as shown in Fig. 7, so as to embrace the shaft 24, the bar carryingananti-friction roller 59 which is acted upon by a cam 60 on said shaft24 so as to impart the desired rising and falling movements to theroller 49 at the proper time. I

If, from any mischance, more than one strip of paper is fed onto thetable 3 from the stack the forward feed of said plurality of strips tothe winding mandrel will be prevented by means of a stop button 78 whichis mounted so as to be vertically adjustable in an arm 79 projectinglaterally from the stop bar 39, as shown in Figs. 2 and 6, this buttonserving to permit the passage of a single strip of paper but preventingthe passage of the upper strip if there is more than one. I

I claim:

1. The combination, in a paper strip feeding machine, of two sets offeeding devices, one operating to feed the strip transversely and theother to feed said strip longitudinally in a direction at right anglesto that of the first, said transverse feeding mechanism comprising areciprocating pusher for removing strips in succession from the bottomof a pile and said longitudinal feeding mechanism comprising a pair offeed rollers, means for rotating one of them and means for separatingsaid feed rollers at intervals while the strip is being passed sidewisebetween them.

2. In a paper strip feeding machine, the combination of means forfeeding strips of paper longitudinally, and means for transverselyfeeding successive strips of paper from a pile into position forengagement by said longitudinal feeding devices, said transverse feedingdevices having, as elements, laterally sliding pushers and an interposedsupporting plate having a raised lug at its delivery end.

3. In a paper strip feeding machine, the combination of means forfeeding strips of paper longitudinally, and means for transverselyfeeding successive strips of paper from a pile into position forengagement by said longitudinal feeding devices, said transverse feedingdevices having, as elements, laterally sliding pushers, an interposedplate having a raised lug at its delivery end, and a check plate bearingsuch relation to said lug that only a single strip of paper can passbetween the same.

4. In a paper strip feeding machine, the combination of means forfeeding strips of paper longitudinally, and means for transverselyfeeding successive strips of paper from a pile into position forengagement by said longitudinal feeding devices, said transverse feedingdevices having, as elements, a pusher slide, a pair of spring retainersbetween which the strip of paper is caused to pass during its transversemovement, and a stop bar for limiting the transverse movement of thestrip.

5. In a paper strip feeding machine, the

combination of means for feeding strips of paper longitudinally, andmeans for transversely feeding successive strips of paper from a pileinto position for engagement by said longitudinal feeding devices, saidtrans- Verse feeding devices having, as elements, a pusherslide, a pairof spring retainers between Which the strip of paper is caused to passduring its transverse movement, and a stop bar for limiting thetransverse movement of the strip, said stop bar having bent fingers fordepressing the edge of the strip into position to contact with the barafter the front edge of said strip has passed the spring retainers.

6. In a paper strip feeding machine, the combination of means forfeeding strips of paper longitudinally, and means for transverselyfeeding successive strips of paper from a pile into position forengagement by said longitudinal feeding devices, said transverse feedingdevices having, as elements, a pusher slide, a pair of spring retainersbetween which the strip of paper is caused to pass during its transversemovement, and springs for pressing upon the top of the strip on eachside of said spring retainers.

In testimony whereof, I have signed my name to this specification, inthe presence of two subscribing witnesses.

HOMER N. GRISSINGER.

Witnesses:

KATE A. BEADLE, HAMILTON D. TURNER.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. 0.

